From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/stdlib/ecvt.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 src/stdlib/ecvt.c (limited to 'src/stdlib/ecvt.c') diff --git a/src/stdlib/ecvt.c b/src/stdlib/ecvt.c new file mode 100644 index 0000000..797b664 --- /dev/null +++ b/src/stdlib/ecvt.c @@ -0,0 +1,20 @@ +#define _GNU_SOURCE +#include +#include + +char *ecvt(double x, int n, int *dp, int *sign) +{ + static char buf[16]; + char tmp[32]; + int i, j; + + if (n-1U > 15) n = 15; + sprintf(tmp, "%.*e", n-1, x); + i = *sign = (tmp[0]=='-'); + for (j=0; tmp[i]!='e'; j+=(tmp[i++]!='.')) + buf[j] = tmp[i]; + buf[j] = 0; + *dp = atoi(tmp+i+1)+1; + + return buf; +} -- cgit v1.2.3